| abstract |
The present invention provides a composition for use as a harmful organism control agent comprising as an active ingredient one or more of compounds represented by formula (I) or salts thereof and an agriculturally or zootechnically acceptable carrier.n nwherein Het represents pyridyl; X represents an oxygen atom; R 1 , R 2 , R 3 , R 7 , R 10a , R 10b , R 11 , and R 12 represent a hydrogen atom; R 4 , R 5 , and R 6 represent a hydrogen atom, hydroxyl, optionally substituted C 1-18 alkylcarbonyloxy, optionally substituted C 1-18 alkylsulfonyloxy, optionally substituted arylcarbonyloxy, C 1-6 alkyloxy-C 1-6 alkyloxy, C 1-6 alkyloxy-C 1-6 alkyloxy-C 1-6 alkyloxy; R 8 represents a hydrogen atom; and R 13a , R 13b , and R 13c represent methyl. |